| /* |
| * HID driver for multitouch panels |
| * |
| * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> |
| * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com> |
| * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France |
| * Copyright (c) 2012-2013 Red Hat, Inc |
| * |
| * This code is partly based on hid-egalax.c: |
| * |
| * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> |
| * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> |
| * Copyright (c) 2010 Canonical, Ltd. |
| * |
| * This code is partly based on hid-3m-pct.c: |
| * |
| * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> |
| * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> |
| * Copyright (c) 2010 Canonical, Ltd. |
| * |
| */ |
| |
| /* |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| */ |
| |
| /* |
| * This driver is regularly tested thanks to the tool hid-test[1]. |
| * This tool relies on hid-replay[2] and a database of hid devices[3]. |
| * Please run these regression tests before patching this module so that |
| * your patch won't break existing known devices. |
| * |
| * [1] https://github.com/bentiss/hid-test |
| * [2] https://github.com/bentiss/hid-replay |
| * [3] https://github.com/bentiss/hid-devices |
| */ |
| |
| #include <linux/device.h> |
| #include <linux/hid.h> |
| #include <linux/module.h> |
| #include <linux/slab.h> |
| #include <linux/usb.h> |
| #include <linux/input/mt.h> |
| #include <linux/string.h> |
| |
| |
| MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); |
| MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); |
| MODULE_DESCRIPTION("HID multitouch panels"); |
| MODULE_LICENSE("GPL"); |
| |
| #include "hid-ids.h" |
| |
| /* quirks to control the device */ |
| #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0) |
| #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1) |
| #define MT_QUIRK_CYPRESS (1 << 2) |
| #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3) |
| #define MT_QUIRK_ALWAYS_VALID (1 << 4) |
| #define MT_QUIRK_VALID_IS_INRANGE (1 << 5) |
| #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6) |
| #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8) |
| #define MT_QUIRK_NO_AREA (1 << 9) |
| #define MT_QUIRK_IGNORE_DUPLICATES (1 << 10) |
| #define MT_QUIRK_HOVERING (1 << 11) |
| #define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12) |
| |
| struct mt_slot { |
| __s32 x, y, cx, cy, p, w, h; |
| __s32 contactid; /* the device ContactID assigned to this slot */ |
| bool touch_state; /* is the touch valid? */ |
| bool inrange_state; /* is the finger in proximity of the sensor? */ |
| }; |
| |
| struct mt_class { |
| __s32 name; /* MT_CLS */ |
| __s32 quirks; |
| __s32 sn_move; /* Signal/noise ratio for move events */ |
| __s32 sn_width; /* Signal/noise ratio for width events */ |
| __s32 sn_height; /* Signal/noise ratio for height events */ |
| __s32 sn_pressure; /* Signal/noise ratio for pressure events */ |
| __u8 maxcontacts; |
| bool is_indirect; /* true for touchpads */ |
| }; |
| |
| struct mt_fields { |
| unsigned usages[HID_MAX_FIELDS]; |
| unsigned int length; |
| }; |
| |
| struct mt_device { |
| struct mt_slot curdata; /* placeholder of incoming data */ |
| struct mt_class mtclass; /* our mt device class */ |
| struct mt_fields *fields; /* temporary placeholder for storing the |
| multitouch fields */ |
| int cc_index; /* contact count field index in the report */ |
| int cc_value_index; /* contact count value index in the field */ |
| unsigned last_slot_field; /* the last field of a slot */ |
| unsigned mt_report_id; /* the report ID of the multitouch device */ |
| unsigned pen_report_id; /* the report ID of the pen device */ |
| __s8 inputmode; /* InputMode HID feature, -1 if non-existent */ |
| __s8 inputmode_index; /* InputMode HID feature index in the report */ |
| __s8 maxcontact_report_id; /* Maximum Contact Number HID feature, |
| -1 if non-existent */ |
| __u8 num_received; /* how many contacts we received */ |
| __u8 num_expected; /* expected last contact index */ |
| __u8 maxcontacts; |
| __u8 touches_by_report; /* how many touches are present in one report: |
| * 1 means we should use a serial protocol |
| * > 1 means hybrid (multitouch) protocol */ |
| bool serial_maybe; /* need to check for serial protocol */ |
| bool curvalid; /* is the current contact valid? */ |
| unsigned mt_flags; /* flags to pass to input-mt */ |
| }; |
| |
| static void mt_post_parse_default_settings(struct mt_device *td); |
| static void mt_post_parse(struct mt_device *td); |
| |
| /* classes of device behavior */ |
| #define MT_CLS_DEFAULT 0x0001 |
| |
| #define MT_CLS_SERIAL 0x0002 |
| #define MT_CLS_CONFIDENCE 0x0003 |
| #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
| #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 |
| #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 |
| #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 |
| #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008 |
| #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
| #define MT_CLS_NSMU 0x000a |
| #define MT_CLS_DUAL_CONTACT_NUMBER 0x0010 |
| #define MT_CLS_DUAL_CONTACT_ID 0x0011 |
| |
| /* vendor specific classes */ |
| #define MT_CLS_3M 0x0101 |
| #define MT_CLS_CYPRESS 0x0102 |
| #define MT_CLS_EGALAX 0x0103 |
| #define MT_CLS_EGALAX_SERIAL 0x0104 |
| #define MT_CLS_TOPSEED 0x0105 |
| #define MT_CLS_PANASONIC 0x0106 |
| #define MT_CLS_FLATFROG 0x0107 |
| #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
| #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 |
| |
| #define MT_DEFAULT_MAXCONTACT 10 |
| #define MT_MAX_MAXCONTACT 250 |
| |
| #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
| #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) |
| |
| /* |
| * these device-dependent functions determine what slot corresponds |
| * to a valid contact that was just read. |
| */ |
| |
| static int cypress_compute_slot(struct mt_device *td) |
| { |
| if (td->curdata.contactid != 0 || td->num_received == 0) |
| return td->curdata.contactid; |
| else |
| return -1; |
| } |
| |
| static struct mt_class mt_classes[] = { |
| { .name = MT_CLS_DEFAULT, |
| .quirks = MT_QUIRK_ALWAYS_VALID | |
| MT_QUIRK_CONTACT_CNT_ACCURATE }, |
| { .name = MT_CLS_NSMU, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
| { .name = MT_CLS_SERIAL, |
| .quirks = MT_QUIRK_ALWAYS_VALID}, |
| { .name = MT_CLS_CONFIDENCE, |
| .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, |
| { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
| .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | |
| MT_QUIRK_SLOT_IS_CONTACTID }, |
| { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
| .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | |
| MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, |
| { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
| .quirks = MT_QUIRK_VALID_IS_INRANGE | |
| MT_QUIRK_SLOT_IS_CONTACTID, |
| .maxcontacts = 2 }, |
| { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| .quirks = MT_QUIRK_VALID_IS_INRANGE | |
| MT_QUIRK_SLOT_IS_CONTACTNUMBER, |
| .maxcontacts = 2 }, |
| { .name = MT_CLS_DUAL_NSMU_CONTACTID, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
| MT_QUIRK_SLOT_IS_CONTACTID, |
| .maxcontacts = 2 }, |
| { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
| .quirks = MT_QUIRK_VALID_IS_INRANGE | |
| MT_QUIRK_SLOT_IS_CONTACTNUMBER }, |
| { .name = MT_CLS_DUAL_CONTACT_NUMBER, |
| .quirks = MT_QUIRK_ALWAYS_VALID | |
| MT_QUIRK_CONTACT_CNT_ACCURATE | |
| MT_QUIRK_SLOT_IS_CONTACTNUMBER, |
| .maxcontacts = 2 }, |
| { .name = MT_CLS_DUAL_CONTACT_ID, |
| .quirks = MT_QUIRK_ALWAYS_VALID | |
| MT_QUIRK_CONTACT_CNT_ACCURATE | |
| MT_QUIRK_SLOT_IS_CONTACTID, |
| .maxcontacts = 2 }, |
| |
| /* |
| * vendor specific classes |
| */ |
| { .name = MT_CLS_3M, |
| .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | |
| MT_QUIRK_SLOT_IS_CONTACTID, |
| .sn_move = 2048, |
| .sn_width = 128, |
| .sn_height = 128, |
| .maxcontacts = 60, |
| }, |
| { .name = MT_CLS_CYPRESS, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
| MT_QUIRK_CYPRESS, |
| .maxcontacts = 10 }, |
| { .name = MT_CLS_EGALAX, |
| .quirks = MT_QUIRK_SLOT_IS_CONTACTID | |
| MT_QUIRK_VALID_IS_INRANGE, |
| .sn_move = 4096, |
| .sn_pressure = 32, |
| }, |
| { .name = MT_CLS_EGALAX_SERIAL, |
| .quirks = MT_QUIRK_SLOT_IS_CONTACTID | |
| MT_QUIRK_ALWAYS_VALID, |
| .sn_move = 4096, |
| .sn_pressure = 32, |
| }, |
| { .name = MT_CLS_TOPSEED, |
| .quirks = MT_QUIRK_ALWAYS_VALID, |
| .is_indirect = true, |
| .maxcontacts = 2, |
| }, |
| { .name = MT_CLS_PANASONIC, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, |
| .maxcontacts = 4 }, |
| { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
| MT_QUIRK_VALID_IS_INRANGE | |
| MT_QUIRK_SLOT_IS_CONTACTNUMBER, |
| .maxcontacts = 2 |
| }, |
| { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
| MT_QUIRK_SLOT_IS_CONTACTNUMBER |
| }, |
| |
| { .name = MT_CLS_FLATFROG, |
| .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
| MT_QUIRK_NO_AREA, |
| .sn_move = 2048, |
| .maxcontacts = 40, |
| }, |
| { } |
| }; |
| |
| static void mt_free_input_name(struct hid_input *hi) |
| { |
| struct hid_device *hdev = hi->report->device; |
| |
| if (hi->input->name != hdev->name) |
| kfree(hi->input->name); |
| } |
| |
| static ssize_t mt_show_quirks(struct device *dev, |
| struct device_attribute *attr, |
| char *buf) |
| { |
| struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
| struct mt_device *td = hid_get_drvdata(hdev); |
| |
| return sprintf(buf, "%u\n", td->mtclass.quirks); |
| } |
| |
| static ssize_t mt_set_quirks(struct device *dev, |
| struct device_attribute *attr, |
| const char *buf, size_t count) |
| { |
| struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
| struct mt_device *td = hid_get_drvdata(hdev); |
| |
| unsigned long val; |
| |
| if (kstrtoul(buf, 0, &val)) |
| return -EINVAL; |
| |
| td->mtclass.quirks = val; |
| |
| if (td->cc_index < 0) |
| td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
| |
| return count; |
| } |
| |
| static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); |
| |
| static struct attribute *sysfs_attrs[] = { |
| &dev_attr_quirks.attr, |
| NULL |
| }; |
| |
| static struct attribute_group mt_attribute_group = { |
| .attrs = sysfs_attrs |
| }; |
| |
| static void mt_feature_mapping(struct hid_device *hdev, |
| struct hid_field *field, struct hid_usage *usage) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| int i; |
| |
| switch (usage->hid) { |
| case HID_DG_INPUTMODE: |
| td->inputmode = field->report->id; |
| td->inputmode_index = 0; /* has to be updated below */ |
| |
| for (i=0; i < field->maxusage; i++) { |
| if (field->usage[i].hid == usage->hid) { |
| td->inputmode_index = i; |
| break; |
| } |
| } |
| |
| break; |
| case HID_DG_CONTACTMAX: |
| td->maxcontact_report_id = field->report->id; |
| td->maxcontacts = field->value[0]; |
| if (!td->maxcontacts && |
| field->logical_maximum <= MT_MAX_MAXCONTACT) |
| td->maxcontacts = field->logical_maximum; |
| if (td->mtclass.maxcontacts) |
| /* check if the maxcontacts is given by the class */ |
| td->maxcontacts = td->mtclass.maxcontacts; |
| |
| break; |
| case 0xff0000c5: |
| if (field->report_count == 256 && field->report_size == 8) { |
| /* Win 8 devices need special quirks */ |
| __s32 *quirks = &td->mtclass.quirks; |
| *quirks |= MT_QUIRK_ALWAYS_VALID; |
| *quirks |= MT_QUIRK_IGNORE_DUPLICATES; |
| *quirks |= MT_QUIRK_HOVERING; |
| *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE; |
| *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; |
| *quirks &= ~MT_QUIRK_VALID_IS_INRANGE; |
| *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; |
| } |
| break; |
| } |
| } |
| |
| static void set_abs(struct input_dev *input, unsigned int code, |
| struct hid_field *field, int snratio) |
| { |
| int fmin = field->logical_minimum; |
| int fmax = field->logical_maximum; |
| int fuzz = snratio ? (fmax - fmin) / snratio : 0; |
| input_set_abs_params(input, code, fmin, fmax, fuzz, 0); |
| input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
| } |
| |
| static void mt_store_field(struct hid_usage *usage, struct mt_device *td, |
| struct hid_input *hi) |
| { |
| struct mt_fields *f = td->fields; |
| |
| if (f->length >= HID_MAX_FIELDS) |
| return; |
| |
| f->usages[f->length++] = usage->hid; |
| } |
| |
| static int mt_pen_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| |
| td->pen_report_id = field->report->id; |
| |
| return 0; |
| } |
| |
| static int mt_pen_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| return 0; |
| } |
| |
| static int mt_pen_event(struct hid_device *hid, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| /* let hid-input handle it */ |
| return 0; |
| } |
| |
| static void mt_pen_report(struct hid_device *hid, struct hid_report *report) |
| { |
| struct hid_field *field = report->field[0]; |
| |
| input_sync(field->hidinput->input); |
| } |
| |
| static void mt_pen_input_configured(struct hid_device *hdev, |
| struct hid_input *hi) |
| { |
| char *name = kzalloc(strlen(hi->input->name) + 5, GFP_KERNEL); |
| if (name) { |
| sprintf(name, "%s Pen", hi->input->name); |
| mt_free_input_name(hi); |
| hi->input->name = name; |
| } |
| |
| /* force BTN_STYLUS to allow tablet matching in udev */ |
| __set_bit(BTN_STYLUS, hi->input->keybit); |
| } |
| |
| static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| struct mt_class *cls = &td->mtclass; |
| int code; |
| struct hid_usage *prev_usage = NULL; |
| |
| if (field->application == HID_DG_TOUCHSCREEN) |
| td->mt_flags |= INPUT_MT_DIRECT; |
| |
| /* |
| * Model touchscreens providing buttons as touchpads. |
| */ |
| if (field->application == HID_DG_TOUCHPAD || |
| (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) |
| td->mt_flags |= INPUT_MT_POINTER; |
| |
| if (usage->usage_index) |
| prev_usage = &field->usage[usage->usage_index - 1]; |
| |
| switch (usage->hid & HID_USAGE_PAGE) { |
| |
| case HID_UP_GENDESK: |
| switch (usage->hid) { |
| case HID_GD_X: |
| if (prev_usage && (prev_usage->hid == usage->hid)) { |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_TOOL_X); |
| set_abs(hi->input, ABS_MT_TOOL_X, field, |
| cls->sn_move); |
| } else { |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_POSITION_X); |
| set_abs(hi->input, ABS_MT_POSITION_X, field, |
| cls->sn_move); |
| } |
| |
| mt_store_field(usage, td, hi); |
| return 1; |
| case HID_GD_Y: |
| if (prev_usage && (prev_usage->hid == usage->hid)) { |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_TOOL_Y); |
| set_abs(hi->input, ABS_MT_TOOL_Y, field, |
| cls->sn_move); |
| } else { |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_POSITION_Y); |
| set_abs(hi->input, ABS_MT_POSITION_Y, field, |
| cls->sn_move); |
| } |
| |
| mt_store_field(usage, td, hi); |
| return 1; |
| } |
| return 0; |
| |
| case HID_UP_DIGITIZER: |
| switch (usage->hid) { |
| case HID_DG_INRANGE: |
| if (cls->quirks & MT_QUIRK_HOVERING) { |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_DISTANCE); |
| input_set_abs_params(hi->input, |
| ABS_MT_DISTANCE, 0, 1, 0, 0); |
| } |
| mt_store_field(usage, td, hi); |
| return 1; |
| case HID_DG_CONFIDENCE: |
| mt_store_field(usage, td, hi); |
| return 1; |
| case HID_DG_TIPSWITCH: |
| hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); |
| input_set_capability(hi->input, EV_KEY, BTN_TOUCH); |
| mt_store_field(usage, td, hi); |
| return 1; |
| case HID_DG_CONTACTID: |
| mt_store_field(usage, td, hi); |
| td->touches_by_report++; |
| td->mt_report_id = field->report->id; |
| return 1; |
| case HID_DG_WIDTH: |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_TOUCH_MAJOR); |
| if (!(cls->quirks & MT_QUIRK_NO_AREA)) |
| set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, |
| cls->sn_width); |
| mt_store_field(usage, td, hi); |
| return 1; |
| case HID_DG_HEIGHT: |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_TOUCH_MINOR); |
| if (!(cls->quirks & MT_QUIRK_NO_AREA)) { |
| set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, |
| cls->sn_height); |
| input_set_abs_params(hi->input, |
| ABS_MT_ORIENTATION, 0, 1, 0, 0); |
| } |
| mt_store_field(usage, td, hi); |
| return 1; |
| case HID_DG_TIPPRESSURE: |
| hid_map_usage(hi, usage, bit, max, |
| EV_ABS, ABS_MT_PRESSURE); |
| set_abs(hi->input, ABS_MT_PRESSURE, field, |
| cls->sn_pressure); |
| mt_store_field(usage, td, hi); |
| return 1; |
| case HID_DG_CONTACTCOUNT: |
| td->cc_index = field->index; |
| td->cc_value_index = usage->usage_index; |
| return 1; |
| case HID_DG_CONTACTMAX: |
| /* we don't set td->last_slot_field as contactcount and |
| * contact max are global to the report */ |
| return -1; |
| case HID_DG_TOUCH: |
| /* Legacy devices use TIPSWITCH and not TOUCH. |
| * Let's just ignore this field. */ |
| return -1; |
| } |
| /* let hid-input decide for the others */ |
| return 0; |
| |
| case HID_UP_BUTTON: |
| code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); |
| hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
| input_set_capability(hi->input, EV_KEY, code); |
| return 1; |
| |
| case 0xff000000: |
| /* we do not want to map these: no input-oriented meaning */ |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| if (usage->type == EV_KEY || usage->type == EV_ABS) |
| set_bit(usage->type, hi->input->evbit); |
| |
| return -1; |
| } |
| |
| static int mt_compute_slot(struct mt_device *td, struct input_dev *input) |
| { |
| __s32 quirks = td->mtclass.quirks; |
| |
| if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
| return td->curdata.contactid; |
| |
| if (quirks & MT_QUIRK_CYPRESS) |
| return cypress_compute_slot(td); |
| |
| if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
| return td->num_received; |
| |
| if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
| return td->curdata.contactid - 1; |
| |
| return input_mt_get_slot_by_key(input, td->curdata.contactid); |
| } |
| |
| /* |
| * this function is called when a whole contact has been processed, |
| * so that it can assign it to a slot and store the data there |
| */ |
| static void mt_complete_slot(struct mt_device *td, struct input_dev *input) |
| { |
| if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && |
| td->num_received >= td->num_expected) |
| return; |
| |
| if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { |
| int slotnum = mt_compute_slot(td, input); |
| struct mt_slot *s = &td->curdata; |
| struct input_mt *mt = input->mt; |
| |
| if (slotnum < 0 || slotnum >= td->maxcontacts) |
| return; |
| |
| if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { |
| struct input_mt_slot *slot = &mt->slots[slotnum]; |
| if (input_mt_is_active(slot) && |
| input_mt_is_used(mt, slot)) |
| return; |
| } |
| |
| input_mt_slot(input, slotnum); |
| input_mt_report_slot_state(input, MT_TOOL_FINGER, |
| s->touch_state || s->inrange_state); |
| if (s->touch_state || s->inrange_state) { |
| /* this finger is in proximity of the sensor */ |
| int wide = (s->w > s->h); |
| /* divided by two to match visual scale of touch */ |
| int major = max(s->w, s->h) >> 1; |
| int minor = min(s->w, s->h) >> 1; |
| |
| input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
| input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); |
| input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); |
| input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); |
| input_event(input, EV_ABS, ABS_MT_DISTANCE, |
| !s->touch_state); |
| input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); |
| input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
| input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
| input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); |
| } |
| } |
| |
| td->num_received++; |
| } |
| |
| /* |
| * this function is called when a whole packet has been received and processed, |
| * so that it can decide what to send to the input layer. |
| */ |
| static void mt_sync_frame(struct mt_device *td, struct input_dev *input) |
| { |
| input_mt_sync_frame(input); |
| input_sync(input); |
| td->num_received = 0; |
| } |
| |
| static int mt_touch_event(struct hid_device *hid, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| /* we will handle the hidinput part later, now remains hiddev */ |
| if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) |
| hid->hiddev_hid_event(hid, field, usage, value); |
| |
| return 1; |
| } |
| |
| static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| struct mt_device *td = hid_get_drvdata(hid); |
| __s32 quirks = td->mtclass.quirks; |
| |
| if (hid->claimed & HID_CLAIMED_INPUT) { |
| switch (usage->hid) { |
| case HID_DG_INRANGE: |
| if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
| td->curvalid = value; |
| if (quirks & MT_QUIRK_HOVERING) |
| td->curdata.inrange_state = value; |
| break; |
| case HID_DG_TIPSWITCH: |
| if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
| td->curvalid = value; |
| td->curdata.touch_state = value; |
| break; |
| case HID_DG_CONFIDENCE: |
| if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
| td->curvalid = value; |
| break; |
| case HID_DG_CONTACTID: |
| td->curdata.contactid = value; |
| break; |
| case HID_DG_TIPPRESSURE: |
| td->curdata.p = value; |
| break; |
| case HID_GD_X: |
| if (usage->code == ABS_MT_TOOL_X) |
| td->curdata.cx = value; |
| else |
| td->curdata.x = value; |
| break; |
| case HID_GD_Y: |
| if (usage->code == ABS_MT_TOOL_Y) |
| td->curdata.cy = value; |
| else |
| td->curdata.y = value; |
| break; |
| case HID_DG_WIDTH: |
| td->curdata.w = value; |
| break; |
| case HID_DG_HEIGHT: |
| td->curdata.h = value; |
| break; |
| case HID_DG_CONTACTCOUNT: |
| break; |
| case HID_DG_TOUCH: |
| /* do nothing */ |
| break; |
| |
| default: |
| return; |
| } |
| |
| if (usage->usage_index + 1 == field->report_count) { |
| /* we only take into account the last report. */ |
| if (usage->hid == td->last_slot_field) |
| mt_complete_slot(td, field->hidinput->input); |
| } |
| |
| } |
| } |
| |
| static void mt_touch_report(struct hid_device *hid, struct hid_report *report) |
| { |
| struct mt_device *td = hid_get_drvdata(hid); |
| struct hid_field *field; |
| unsigned count; |
| int r, n; |
| |
| /* |
| * Includes multi-packet support where subsequent |
| * packets are sent with zero contactcount. |
| */ |
| if (td->cc_index >= 0) { |
| struct hid_field *field = report->field[td->cc_index]; |
| int value = field->value[td->cc_value_index]; |
| if (value) |
| td->num_expected = value; |
| } |
| |
| for (r = 0; r < report->maxfield; r++) { |
| field = report->field[r]; |
| count = field->report_count; |
| |
| if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) |
| continue; |
| |
| for (n = 0; n < count; n++) |
| mt_process_mt_event(hid, field, &field->usage[n], |
| field->value[n]); |
| } |
| |
| if (td->num_received >= td->num_expected) |
| mt_sync_frame(td, report->field[0]->hidinput->input); |
| } |
| |
| static void mt_touch_input_configured(struct hid_device *hdev, |
| struct hid_input *hi) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| struct mt_class *cls = &td->mtclass; |
| struct input_dev *input = hi->input; |
| |
| if (!td->maxcontacts) |
| td->maxcontacts = MT_DEFAULT_MAXCONTACT; |
| |
| mt_post_parse(td); |
| if (td->serial_maybe) |
| mt_post_parse_default_settings(td); |
| |
| if (cls->is_indirect) |
| td->mt_flags |= INPUT_MT_POINTER; |
| |
| if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
| td->mt_flags |= INPUT_MT_DROP_UNUSED; |
| |
| input_mt_init_slots(input, td->maxcontacts, td->mt_flags); |
| |
| td->mt_flags = 0; |
| } |
| |
| static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| /* Only map fields from TouchScreen or TouchPad collections. |
| * We need to ignore fields that belong to other collections |
| * such as Mouse that might have the same GenericDesktop usages. */ |
| if (field->application != HID_DG_TOUCHSCREEN && |
| field->application != HID_DG_PEN && |
| field->application != HID_DG_TOUCHPAD) |
| return -1; |
| |
| if (field->physical == HID_DG_STYLUS) |
| return mt_pen_input_mapping(hdev, hi, field, usage, bit, max); |
| |
| return mt_touch_input_mapping(hdev, hi, field, usage, bit, max); |
| } |
| |
| static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
| struct hid_field *field, struct hid_usage *usage, |
| unsigned long **bit, int *max) |
| { |
| if (field->physical == HID_DG_STYLUS) |
| return mt_pen_input_mapped(hdev, hi, field, usage, bit, max); |
| |
| return mt_touch_input_mapped(hdev, hi, field, usage, bit, max); |
| } |
| |
| static int mt_event(struct hid_device *hid, struct hid_field *field, |
| struct hid_usage *usage, __s32 value) |
| { |
| struct mt_device *td = hid_get_drvdata(hid); |
| |
| if (field->report->id == td->mt_report_id) |
| return mt_touch_event(hid, field, usage, value); |
| |
| if (field->report->id == td->pen_report_id) |
| return mt_pen_event(hid, field, usage, value); |
| |
| /* ignore other reports */ |
| return 1; |
| } |
| |
| static void mt_report(struct hid_device *hid, struct hid_report *report) |
| { |
| struct mt_device *td = hid_get_drvdata(hid); |
| |
| if (!(hid->claimed & HID_CLAIMED_INPUT)) |
| return; |
| |
| if (report->id == td->mt_report_id) |
| mt_touch_report(hid, report); |
| |
| if (report->id == td->pen_report_id) |
| mt_pen_report(hid, report); |
| } |
| |
| static void mt_set_input_mode(struct hid_device *hdev) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| struct hid_report *r; |
| struct hid_report_enum *re; |
| |
| if (td->inputmode < 0) |
| return; |
| |
| re = &(hdev->report_enum[HID_FEATURE_REPORT]); |
| r = re->report_id_hash[td->inputmode]; |
| if (r) { |
| r->field[0]->value[td->inputmode_index] = 0x02; |
| hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
| } |
| } |
| |
| static void mt_set_maxcontacts(struct hid_device *hdev) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| struct hid_report *r; |
| struct hid_report_enum *re; |
| int fieldmax, max; |
| |
| if (td->maxcontact_report_id < 0) |
| return; |
| |
| if (!td->mtclass.maxcontacts) |
| return; |
| |
| re = &hdev->report_enum[HID_FEATURE_REPORT]; |
| r = re->report_id_hash[td->maxcontact_report_id]; |
| if (r) { |
| max = td->mtclass.maxcontacts; |
| fieldmax = r->field[0]->logical_maximum; |
| max = min(fieldmax, max); |
| if (r->field[0]->value[0] != max) { |
| r->field[0]->value[0] = max; |
| hid_hw_request(hdev, r, HID_REQ_SET_REPORT); |
| } |
| } |
| } |
| |
| static void mt_post_parse_default_settings(struct mt_device *td) |
| { |
| __s32 quirks = td->mtclass.quirks; |
| |
| /* unknown serial device needs special quirks */ |
| if (td->touches_by_report == 1) { |
| quirks |= MT_QUIRK_ALWAYS_VALID; |
| quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; |
| quirks &= ~MT_QUIRK_VALID_IS_INRANGE; |
| quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; |
| quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
| } |
| |
| td->mtclass.quirks = quirks; |
| } |
| |
| static void mt_post_parse(struct mt_device *td) |
| { |
| struct mt_fields *f = td->fields; |
| struct mt_class *cls = &td->mtclass; |
| |
| if (td->touches_by_report > 0) { |
| int field_count_per_touch = f->length / td->touches_by_report; |
| td->last_slot_field = f->usages[field_count_per_touch - 1]; |
| } |
| |
| if (td->cc_index < 0) |
| cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
| } |
| |
| static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| char *name = kstrdup(hdev->name, GFP_KERNEL); |
| |
| if (name) |
| hi->input->name = name; |
| |
| if (hi->report->id == td->mt_report_id) |
| mt_touch_input_configured(hdev, hi); |
| |
| if (hi->report->id == td->pen_report_id) |
| mt_pen_input_configured(hdev, hi); |
| } |
| |
| static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
| { |
| int ret, i; |
| struct mt_device *td; |
| struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
| struct hid_input *hi; |
| |
| for (i = 0; mt_classes[i].name ; i++) { |
| if (id->driver_data == mt_classes[i].name) { |
| mtclass = &(mt_classes[i]); |
| break; |
| } |
| } |
| |
| /* This allows the driver to correctly support devices |
| * that emit events over several HID messages. |
| */ |
| hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; |
| |
| /* |
| * This allows the driver to handle different input sensors |
| * that emits events through different reports on the same HID |
| * device. |
| */ |
| hdev->quirks |= HID_QUIRK_MULTI_INPUT; |
| hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT; |
| |
| td = kzalloc(sizeof(struct mt_device), GFP_KERNEL); |
| if (!td) { |
| dev_err(&hdev->dev, "cannot allocate multitouch data\n"); |
| return -ENOMEM; |
| } |
| td->mtclass = *mtclass; |
| td->inputmode = -1; |
| td->maxcontact_report_id = -1; |
| td->cc_index = -1; |
| td->mt_report_id = -1; |
| td->pen_report_id = -1; |
| hid_set_drvdata(hdev, td); |
| |
| td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL); |
| if (!td->fields) { |
| dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); |
| ret = -ENOMEM; |
| goto fail; |
| } |
| |
| if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
| td->serial_maybe = true; |
| |
| ret = hid_parse(hdev); |
| if (ret != 0) |
| goto fail; |
| |
| ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
| if (ret) |
| goto hid_fail; |
| |
| ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
| |
| mt_set_maxcontacts(hdev); |
| mt_set_input_mode(hdev); |
| |
| kfree(td->fields); |
| td->fields = NULL; |
| |
| return 0; |
| |
| hid_fail: |
| list_for_each_entry(hi, &hdev->inputs, list) |
| mt_free_input_name(hi); |
| fail: |
| kfree(td->fields); |
| kfree(td); |
| return ret; |
| } |
| |
| #ifdef CONFIG_PM |
| static int mt_reset_resume(struct hid_device *hdev) |
| { |
| mt_set_maxcontacts(hdev); |
| mt_set_input_mode(hdev); |
| return 0; |
| } |
| |
| static int mt_resume(struct hid_device *hdev) |
| { |
| /* Some Elan legacy devices require SET_IDLE to be set on resume. |
| * It should be safe to send it to other devices too. |
| * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ |
| |
| hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE); |
| |
| return 0; |
| } |
| #endif |
| |
| static void mt_remove(struct hid_device *hdev) |
| { |
| struct mt_device *td = hid_get_drvdata(hdev); |
| struct hid_input *hi; |
| |
| sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
| hid_hw_stop(hdev); |
| |
| list_for_each_entry(hi, &hdev->inputs, list) |
| mt_free_input_name(hi); |
| |
| kfree(td); |
| hid_set_drvdata(hdev, NULL); |
| } |
| |
| static const struct hid_device_id mt_devices[] = { |
| |
| /* 3M panels */ |
| { .driver_data = MT_CLS_3M, |
| MT_USB_DEVICE(USB_VENDOR_ID_3M, |
| USB_DEVICE_ID_3M1968) }, |
| { .driver_data = MT_CLS_3M, |
| MT_USB_DEVICE(USB_VENDOR_ID_3M, |
| USB_DEVICE_ID_3M2256) }, |
| { .driver_data = MT_CLS_3M, |
| MT_USB_DEVICE(USB_VENDOR_ID_3M, |
| USB_DEVICE_ID_3M3266) }, |
| |
| /* ActionStar panels */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, |
| USB_DEVICE_ID_ACTIONSTAR_1011) }, |
| |
| /* Atmel panels */ |
| { .driver_data = MT_CLS_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
| USB_DEVICE_ID_ATMEL_MULTITOUCH) }, |
| { .driver_data = MT_CLS_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
| USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
| |
| /* Baanto multitouch devices */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
| USB_DEVICE_ID_BAANTO_MT_190W2) }, |
| /* Cando panels */ |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
| { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER, |
| MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) }, |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
| MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
| |
| /* Chunghwa Telecom touch panels */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
| USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
| |
| /* CVTouch panels */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
| USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
| |
| /* Cypress panel */ |
| { .driver_data = MT_CLS_CYPRESS, |
| HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, |
| USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, |
| |
| /* eGalax devices (resistive) */ |
| { .driver_data = MT_CLS_EGALAX, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
| { .driver_data = MT_CLS_EGALAX, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
| |
| /* eGalax devices (capacitive) */ |
| { .driver_data = MT_CLS_EGALAX, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
| { .driver_data = MT_CLS_EGALAX, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
| { .driver_data = MT_CLS_EGALAX, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
| { .driver_data = MT_CLS_EGALAX, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
| { .driver_data = MT_CLS_EGALAX, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, |
| { .driver_data = MT_CLS_EGALAX_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, |
| { .driver_data = MT_CLS_EGALAX, |
| HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
| USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, |
| |
| /* Elo TouchSystems IntelliTouch Plus panel */ |
| { .driver_data = MT_CLS_DUAL_CONTACT_ID, |
| MT_USB_DEVICE(USB_VENDOR_ID_ELO, |
| USB_DEVICE_ID_ELO_TS2515) }, |
| |
| /* Flatfrog Panels */ |
| { .driver_data = MT_CLS_FLATFROG, |
| MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, |
| USB_DEVICE_ID_MULTITOUCH_3200) }, |
| |
| /* GeneralTouch panel */ |
| { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
| MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
| USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
| { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
| MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
| USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, |
| |
| /* Gametel game controller */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
| USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
| |
| /* GoodTouch panels */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
| USB_DEVICE_ID_GOODTOUCH_000f) }, |
| |
| /* Hanvon panels */ |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
| MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
| USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
| |
| /* Ideacom panel */ |
| { .driver_data = MT_CLS_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM, |
| USB_DEVICE_ID_IDEACOM_IDC6650) }, |
| { .driver_data = MT_CLS_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM, |
| USB_DEVICE_ID_IDEACOM_IDC6651) }, |
| |
| /* Ilitek dual touch panel */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
| USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
| |
| /* IRTOUCH panels */ |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
| MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, |
| USB_DEVICE_ID_IRTOUCH_INFRARED_USB) }, |
| |
| /* LG Display panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| MT_USB_DEVICE(USB_VENDOR_ID_LG, |
| USB_DEVICE_ID_LG_MULTITOUCH) }, |
| |
| /* Lumio panels */ |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| MT_USB_DEVICE(USB_VENDOR_ID_LUMIO, |
| USB_DEVICE_ID_CRYSTALTOUCH) }, |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| MT_USB_DEVICE(USB_VENDOR_ID_LUMIO, |
| USB_DEVICE_ID_CRYSTALTOUCH_DUAL) }, |
| |
| /* MosArt panels */ |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
| USB_DEVICE_ID_ASUS_T91MT)}, |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
| USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
| { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
| MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
| USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
| |
| /* Nexio panels */ |
| { .driver_data = MT_CLS_DEFAULT, |
| MT_USB_DEVICE(USB_VENDOR_ID_NEXIO, |
| USB_DEVICE_ID_NEXIO_MULTITOUCH_420)}, |
| |
| /* Panasonic panels */ |
| { .driver_data = MT_CLS_PANASONIC, |
| MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
| USB_DEVICE_ID_PANABOARD_UBT780) }, |
| { .driver_data = MT_CLS_PANASONIC, |
| MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
| USB_DEVICE_ID_PANABOARD_UBT880) }, |
| |
| /* Novatek Panel */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
| USB_DEVICE_ID_NOVATEK_PCT) }, |
| |
| /* PenMount panels */ |
| { .driver_data = MT_CLS_CONFIDENCE, |
| MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, |
| USB_DEVICE_ID_PENMOUNT_PCI) }, |
| |
| /* PixArt optical touch screen */ |
| { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, |
| MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
| USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
| { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, |
| MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
| USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
| { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, |
| MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
| USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
| |
| /* PixCir-based panels */ |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
| MT_USB_DEVICE(USB_VENDOR_ID_HANVON, |
| USB_DEVICE_ID_HANVON_MULTITOUCH) }, |
| { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
| MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
| USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
| |
| /* Quanta-based panels */ |
| { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
| MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
| USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, |
| { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
| MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
| USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
| { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
| MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
| USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) }, |
| |
| /* Stantum panels */ |
| { .driver_data = MT_CLS_CONFIDENCE, |
| MT_USB_DEVICE(USB_VENDOR_ID_STANTUM, |
| USB_DEVICE_ID_MTP)}, |
| { .driver_data = MT_CLS_CONFIDENCE, |
| MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
| USB_DEVICE_ID_MTP_STM)}, |
| { .driver_data = MT_CLS_DEFAULT, |
| MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, |
| USB_DEVICE_ID_MTP_SITRONIX)}, |
| |
| /* TopSeed panels */ |
| { .driver_data = MT_CLS_TOPSEED, |
| MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
| USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
| |
| /* Touch International panels */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
| USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
| |
| /* Unitec panels */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
| USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
| USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
| /* XAT */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
| USB_DEVICE_ID_XAT_CSR) }, |
| |
| /* Xiroku */ |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_SPX) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_MPX) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_CSR) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_SPX1) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_MPX1) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_CSR1) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_SPX2) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_MPX2) }, |
| { .driver_data = MT_CLS_NSMU, |
| MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
| USB_DEVICE_ID_XIROKU_CSR2) }, |
| |
| /* Zytronic panels */ |
| { .driver_data = MT_CLS_SERIAL, |
| MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC, |
| USB_DEVICE_ID_ZYTRONIC_ZXY100) }, |
| |
| /* Generic MT device */ |
| { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(hid, mt_devices); |
| |
| static const struct hid_usage_id mt_grabbed_usages[] = { |
| { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, |
| { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} |
| }; |
| |
| static struct hid_driver mt_driver = { |
| .name = "hid-multitouch", |
| .id_table = mt_devices, |
| .probe = mt_probe, |
| .remove = mt_remove, |
| .input_mapping = mt_input_mapping, |
| .input_mapped = mt_input_mapped, |
| .input_configured = mt_input_configured, |
| .feature_mapping = mt_feature_mapping, |
| .usage_table = mt_grabbed_usages, |
| .event = mt_event, |
| .report = mt_report, |
| #ifdef CONFIG_PM |
| .reset_resume = mt_reset_resume, |
| .resume = mt_resume, |
| #endif |
| }; |
| module_hid_driver(mt_driver); |